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tia_tia [17]
3 years ago
13

A group of 72 people travel to the beach for a clean-up day.Some of the people bring their own supplies .Write an equation for t

he number of people for whom supplies will be provided p,if b people bring their own supplies?
Mathematics
1 answer:
xxTIMURxx [149]3 years ago
4 0

Answer:

p=72-b

Step-by-step explanation:

From the statement, you can say that the number of people whom supplies will be provided would be equal to the number of people that travel to the beach minus the amount of people that bring their own supplies:

p=72-b, where:

p= number of people for whom supplies will be provided

b= number of people that bring their own supplies

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In the next 25 years, Larry will be 35 years old, while his sister will be 3 years less than him which is 32 years old for his sister, since his sister is 3 years younger.
7 0
3 years ago
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Are these ratios equivalent? 38:19 and 2:1 *​
zavuch27 [327]

Answer:

Yes

Step-by-step explanation:

2 times 19=38

1 times 19=19

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Which could be the dimensions of a rectangular prism whose surface area is greater than 140 square feet? Select three options. 0
olya-2409 [2.1K]

Answer:

I think the answers are...

B. 6 feet by 5 feet by 4 feet

C. 7 feet by 6 feet by 4 feet

D.  8 feet by 3 feet by 7 feet

(I'm so sorry if it's wrong)

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3 years ago
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two consecutive odd number are such that three times the first is 5 more than twice the second. What are those two odd numbers?
Veseljchak [2.6K]
<h2>Answer:</h2>

The first consecutive odd number is: 9

and the second consecutive odd number is: 11

<h2>Step-by-step explanation:</h2>

Let the two consecutive odd numbers be: a and a+2

( Since, we know that the difference between two consecutive odd or two consecutive even numbers is always 2 )

Now, it is given that:

Three times the first is 5 more than twice the second.

i.e.

3a=5+2(a+2)\\\\i.e.\\\\3a=5+2a+4\\\\3a=5+4+2a\\\\3a=2a+9\\\\3a-2a=9\\\\a=9

Hence, we get:

The first consecutive odd number is: 9

and the  second consecutive odd number is: 9+2=11

7 0
3 years ago
For each of the following functions, (i) find the constant c so that f(x) is a pdf of a random variable X, (ii) find the cdf, F(
mel-nik [20]

Answer:

(a)

c=1/2

cdf  is    F(x) = x^2

Step-by-step explanation:

Remember that if   f  is the pdf of a random variable X .

\int\limits_{-\infty}^{\infty} f(x) \,dx = 1

Then,

(a)

\int\limits_{-\infty}^{\infty}  4xc \,dx = \int\limits_{0}^{1}  4xc \, d x = 2c = 1

Therefore

c=1/2

and

 f(x)=2x

then to compute the cdf, we have

F(x) = P(X \leq x) = \int\limits_{-\infty}^{x}   2y \,dy  =  \int\limits_{0}^{x}   2y \, dy =  x^2

7 0
3 years ago
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